The Multiquip 43463 is a genuine OEM Right-Hand Heat Exchanger Assembly designed for the STXDF series super-sized hydrostatic ride-on power trowels. As a direct OEM replacement, this assembly meets the original engineering specifications for the STXDF dual-fuel hydrostatic trowel platform, ensuring proper thermal management within the hydraulic system. DHS Equipment supplies this part direct from Multiquip, so you can trust you are receiving the correct component for your machine.
Key Features
- Genuine OEM Thermal Specification — Built to the exact heat transfer and flow requirements of the STXDF hydraulic circuit, not a generalized approximation.
- Right-Hand Side Direct Replacement — Designed as a bolt-in assembly for the right-hand mounting position on STXDF trowels, matching original port orientation and bracket configuration.
- STXDF Series Compatibility — Confirmed fitment for Multiquip STXDF super-sized hydrostatic ride-on power trowels, including dual-fuel propane and gasoline variants.
- Hydraulic System Protection — A correctly functioning heat exchanger keeps hydraulic fluid temperatures within safe operating range, preserving pump, motor, and valve performance under sustained finishing loads.
- Dual-Fuel Platform Ready — Engineered specifically for the STXDF's hydrostatic drive architecture, accounting for the thermal demands of both propane and gasoline operation.
A heat exchanger in a hydrostatic ride-on trowel works by transferring excess heat out of the hydraulic fluid as it circulates through the system. On a machine like the STXDF, the hydraulic circuit powers both the blade pitch adjustment and the drive system simultaneously, generating significant heat under continuous use. When the heat exchanger is damaged or degraded, fluid temperatures climb, accelerating wear on hydraulic components and causing sluggish or erratic blade and drive response — which directly affects finish quality and operator control.
Part Details
| Part Number | 43463 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Right-Hand Heat Exchanger Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STXDF |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
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